Comet Hartlay 2 on Dec 9, 2010


Date & Time: Dec 9 2010, from 25:39 to 26:10 JST(+0900)
Composed 6 shots with 6 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with a conversion lens (f=1760mm, F7.1)
with BaaderPlanetarium Moon & Skyglow filter
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Canon EOS 550D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456)
CCD Sensitivity...ISO3200


The comet Hartlay2 in that day has been positioned in northern Puppis, about 12 degrees east of Sirius. The comet has a coma with about 7th magnitude in brightness and an indistinct dust tail in west direction. Comet Hartlay2 will become darker and darker from now on, but we can observe it in winster constellations for a short while.


2009P1 Garradd on Jul 5, 2011
Hartlay2 on Nov 27, 2010

Copyright(c) 2010 by Naoyuki Kurita, All rights reserved.
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